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Eosinophilic Lung Disease
Stephanie M. Levine, MD, FCCP
University of Texas Health-San Antonio
South Texas Veterans Health System
Conflict of Interest Disclosure
โ€ขNo relationships exist with industry ne
Overall Learning Objectives
โ€ข To review the major eosinophilic pulmonary disorders
โ€ข To be able to distinguish acute and chronic eosinophilic
pneumonia (AEP and CEP)
โ€ข To be familiar with common presentations of AEP, CEP, Allergic
Bronchopulmonary Aspergillosis (ABPA), Eosinophilic
Granulomatosis with Polyangiitis (EGPA, Churg- Strauss
Syndrome), Hypereosinophilic Syndrome
Eosinophilic Lung Disease- Part 1
Stephanie M. Levine, MD, FCCP
University of Texas Health-San Antonio
South Texas Veterans Health System
Part 1
Background and Classification
โ€ข Objectives- To review the major eosinophilic pulmonary disorders
Conflict of Interest Disclosure
โ€ขNo relationships exist with industry ne
โ€ข Cytokines that stimulate growth, differentiation, and
production of eosinophils: IL-5, IL-3, GM-CSF
โ€ข Only IL-5 is specific for eosinophils
Granules contain:
-MBP (major basic protein)
-Eosinophilic cationic
protein
-Eosinophil derived
neurotoxin
-Charcot-Leyden crystal
protein
Definition
โ€ข A heterogeneous group of disorders characterized by increased
numbers of eosinophils in 1 or more compartments of the lung and/or
blood
โ€ข Radiographic abnormalities
โ€ข Impaired pulmonary function
โ€ข +/- peripheral eosinophilia
โ€ข The role of the eosinophil in many of these diseases differs and is not
well characterized
โ€ข Good guy vs bad guy vs bystander
Classification- based on anatomical
location
โ€ข Airway
โ€ข Asthma
โ€ข Eosinophilic bronchitis
โ€ข Allergic bronchopulmonary aspergillosis
โ€ข Bronchocentric granulomatosis
โ€ข Parenchyma
โ€ข idiopathic (primary) vs known cause (secondary)
Primary Eosinophilic Disorders
โ€ข Lung limited
โ€ข Acute eosinophilic pneumonia
โ€ข Chronic eosinophilic pneumonia
โ€ข Systemic
โ€ข Hypereosinophilic syndrome
โ€ข Eosinophilic Granulomatosis with Polyangiitis
(EGPA) or Churg-Strauss Syndrome
Secondary Eosinophilic Disorders
โ€ข Airway centered
โ€ข Allergic bronchopulmonary aspergillosis
โ€ข Infections- parasites, bacterial, fungal (aspergillus, coccidioides)
โ€ข Vasculitides
โ€ข Drugs/Toxins
โ€ข Malignancy- lymphoma, lung cancer, leukemia, MDS
โ€ข ILD- HP, LCH, COP, sarcoidosis

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1_Eosinophilic_Lung_Disease_Part_1_Background_and_Classification.pdf

  • 1. Eosinophilic Lung Disease Stephanie M. Levine, MD, FCCP University of Texas Health-San Antonio South Texas Veterans Health System
  • 2. Conflict of Interest Disclosure โ€ขNo relationships exist with industry ne
  • 3. Overall Learning Objectives โ€ข To review the major eosinophilic pulmonary disorders โ€ข To be able to distinguish acute and chronic eosinophilic pneumonia (AEP and CEP) โ€ข To be familiar with common presentations of AEP, CEP, Allergic Bronchopulmonary Aspergillosis (ABPA), Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg- Strauss Syndrome), Hypereosinophilic Syndrome
  • 4. Eosinophilic Lung Disease- Part 1 Stephanie M. Levine, MD, FCCP University of Texas Health-San Antonio South Texas Veterans Health System Part 1 Background and Classification โ€ข Objectives- To review the major eosinophilic pulmonary disorders
  • 5. Conflict of Interest Disclosure โ€ขNo relationships exist with industry ne
  • 6. โ€ข Cytokines that stimulate growth, differentiation, and production of eosinophils: IL-5, IL-3, GM-CSF โ€ข Only IL-5 is specific for eosinophils Granules contain: -MBP (major basic protein) -Eosinophilic cationic protein -Eosinophil derived neurotoxin -Charcot-Leyden crystal protein
  • 7. Definition โ€ข A heterogeneous group of disorders characterized by increased numbers of eosinophils in 1 or more compartments of the lung and/or blood โ€ข Radiographic abnormalities โ€ข Impaired pulmonary function โ€ข +/- peripheral eosinophilia โ€ข The role of the eosinophil in many of these diseases differs and is not well characterized โ€ข Good guy vs bad guy vs bystander
  • 8.
  • 9. Classification- based on anatomical location โ€ข Airway โ€ข Asthma โ€ข Eosinophilic bronchitis โ€ข Allergic bronchopulmonary aspergillosis โ€ข Bronchocentric granulomatosis โ€ข Parenchyma โ€ข idiopathic (primary) vs known cause (secondary)
  • 10. Primary Eosinophilic Disorders โ€ข Lung limited โ€ข Acute eosinophilic pneumonia โ€ข Chronic eosinophilic pneumonia โ€ข Systemic โ€ข Hypereosinophilic syndrome โ€ข Eosinophilic Granulomatosis with Polyangiitis (EGPA) or Churg-Strauss Syndrome
  • 11. Secondary Eosinophilic Disorders โ€ข Airway centered โ€ข Allergic bronchopulmonary aspergillosis โ€ข Infections- parasites, bacterial, fungal (aspergillus, coccidioides) โ€ข Vasculitides โ€ข Drugs/Toxins โ€ข Malignancy- lymphoma, lung cancer, leukemia, MDS โ€ข ILD- HP, LCH, COP, sarcoidosis